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From Dawid Weiss <dawid.we...@cs.put.poznan.pl>
Subject Re: Parallel tests in ANT, experiment volunteers welcome :)
Date Fri, 30 Dec 2011 20:45:43 GMT
Thanks Robert. Yes, the variation in certain suites is pretty large --
if you open the generated execution times cache you can see the
timings for each test suite. I've seen differences going into tens of
seconds depending on the seed (and the environment?). What are your
timing for ant-based splits? Roughly the same?

Dawid

On Fri, Dec 30, 2011 at 8:44 PM, Robert Muir <rcmuir@gmail.com> wrote:
> Here's a couple runs from my machine... but I think some of this is
> some wild swings in the tests (bad apples).
>
>   [junit4] Slave 0:     0.15 ..    95.85 =    95.70s
>   [junit4] Slave 1:     0.17 ..    76.62 =    76.45s
>   [junit4] Slave 2:     0.14 ..    47.33 =    47.19s
>   [junit4] Slave 3:     0.13 ..    48.20 =    48.08s
>   [junit4] Execution time total: 95.90s
>   [junit4] Tests summary: 278 suites, 1550 tests, 9 ignored (6 assumptions)
>
>   [junit4] Slave 0:     0.16 ..    61.38 =    61.22s
>   [junit4] Slave 1:     0.16 ..    84.89 =    84.74s
>   [junit4] Slave 2:     0.16 ..    59.31 =    59.15s
>   [junit4] Slave 3:     0.16 ..    77.67 =    77.51s
>   [junit4] Execution time total: 84.95s
>   [junit4] Tests summary: 278 suites, 1550 tests, 5 ignored (2 assumptions)
>
>   [junit4] Slave 0:     0.17 ..    69.68 =    69.50s
>   [junit4] Slave 1:     0.16 ..    67.49 =    67.33s
>   [junit4] Slave 2:     0.16 ..    64.00 =    63.84s
>   [junit4] Slave 3:     0.16 ..    72.68 =    72.51s
>   [junit4] Execution time total: 72.73s
>   [junit4] Tests summary: 278 suites, 1550 tests, 7 ignored (4 assumptions)
>
>   [junit4] Slave 0:     0.16 ..    64.94 =    64.78s
>   [junit4] Slave 1:     0.19 ..    67.69 =    67.50s
>   [junit4] Slave 2:     0.16 ..    62.59 =    62.43s
>   [junit4] Slave 3:     0.21 ..    66.12 =    65.91s
>   [junit4] Execution time total: 67.74s
>   [junit4] Tests summary: 278 suites, 1550 tests, 17 ignored (14 assumptions)
>
>   [junit4] Slave 0:     0.19 ..    57.03 =    56.84s
>   [junit4] Slave 1:     0.17 ..    65.57 =    65.40s
>   [junit4] Slave 2:     0.18 ..    77.44 =    77.26s
>   [junit4] Slave 3:     0.15 ..    64.90 =    64.74s
>   [junit4] Execution time total: 77.48s
>   [junit4] Tests summary: 278 suites, 1550 tests, 6 ignored (3 assumptions)
>
>   [junit4] Slave 0:     0.15 ..    73.56 =    73.41s
>   [junit4] Slave 1:     0.15 ..    70.84 =    70.69s
>   [junit4] Slave 2:     0.15 ..    97.94 =    97.79s
>   [junit4] Slave 3:     0.18 ..    66.66 =    66.47s
>   [junit4] Execution time total: 97.99s
>   [junit4] Tests summary: 278 suites, 1550 tests, 13 ignored (10 assumptions)
>
> On Fri, Dec 30, 2011 at 12:22 PM, Dawid Weiss <dawid.weiss@gmail.com> wrote:
>> I updated the code and it works with Ant 1.7.1 now. I also noticed
>> parameters are parsed slightly different (maybe it's windows), so you
>> need to quote to pass an empty parameter as in:
>>
>> ant test-core "-Dtests.seed=" -Dtests.cpus=7
>>
>> Dawid
>>
>> On Fri, Dec 30, 2011 at 2:01 PM, Dawid Weiss <dawid.weiss@gmail.com> wrote:
>>> Robert just informed me that there is an exception coming out from ANT
>>> if you run it with ANT 1.7.1. Don't know if it's a known issue, but I
>>> use ANT 1.8.x and the problem is not present there.
>>>
>>> Dawid
>>>
>>> On Fri, Dec 30, 2011 at 1:36 PM, Dawid Weiss <dawid.weiss@gmail.com> wrote:
>>>> Darm, gmal likes to line wrap... I've put the script here too:
>>>>
>>>> https://gist.github.com/1539653
>>>>
>>>> Dawid
>>
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>
>
>
> --
> lucidimagination.com
>
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